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<p>extract the individual bits. For example, an implementation of <code>glClear()</code> might look like:<syntaxhighlight lang="c">void glClear(GLbitfield bits) {    if ((bits & GL_COLOR_BUFFER_BIT) != 0) {        // Clear color buffer.    }    if ((bits & GL_DEPTH_BUFFER_BIT) != 0) {        // Clear depth buffer.    }    if ((bits & GL_ACCUM_BUFFER_BIT) != 0) {        // Clear accumulation buffer.    }    if ((bits & GL_STENCIL_BUFFER_BIT) != 0) {        // Clear stencil buffer.    }}</syntaxhighlight>The advantage to this approach is that function</p><p>
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